XML 57 R39.htm IDEA: XBRL DOCUMENT
v3.23.2

Asset Retirement Obligations (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2023
Asset Retirement Obligation [Line Items] |
Asset Retirement Obligation Roll Forward | The changes in the carrying amounts of AROs were as follows.
| PPL |  | LG&E |  | KU
Balance at December 31, 2022 | $ | 177 |  |  | $ | 86 |  |  | $ | 82 |
Accretion | 4 |  |  | 2 |  |  | 2 |
New obligations incurred | 2 |  |  | 1 |  |  | 1 |
Changes in estimated cash flow or settlement date | (1) |  |  | 1 |  |  | — |
Obligations settled | (16) |  |  | (6) |  |  | (10) |
Other | (5) |  |  | (6) |  |  | — |
Balance at June 30, 2023 | $ | 161 |  |  | $ | 78 |  |  | $ | 75 |
Louisville Gas And Electric Co [Member] |
Asset Retirement Obligation [Line Items] |
Asset Retirement Obligation Roll Forward | The changes in the carrying amounts of AROs were as follows.
| PPL |  | LG&E |  | KU
Balance at December 31, 2022 | $ | 177 |  |  | $ | 86 |  |  | $ | 82 |
Accretion | 4 |  |  | 2 |  |  | 2 |
New obligations incurred | 2 |  |  | 1 |  |  | 1 |
Changes in estimated cash flow or settlement date | (1) |  |  | 1 |  |  | — |
Obligations settled | (16) |  |  | (6) |  |  | (10) |
Other | (5) |  |  | (6) |  |  | — |
Balance at June 30, 2023 | $ | 161 |  |  | $ | 78 |  |  | $ | 75 |
Kentucky Utilities Co [Member] |
Asset Retirement Obligation [Line Items] |
Asset Retirement Obligation Roll Forward | The changes in the carrying amounts of AROs were as follows.
| PPL |  | LG&E |  | KU
Balance at December 31, 2022 | $ | 177 |  |  | $ | 86 |  |  | $ | 82 |
Accretion | 4 |  |  | 2 |  |  | 2 |
New obligations incurred | 2 |  |  | 1 |  |  | 1 |
Changes in estimated cash flow or settlement date | (1) |  |  | 1 |  |  | — |
Obligations settled | (16) |  |  | (6) |  |  | (10) |
Other | (5) |  |  | (6) |  |  | — |
Balance at June 30, 2023 | $ | 161 |  |  | $ | 78 |  |  | $ | 75 |

X
- References No definition available. + Details
Name: | ppl_AssetRetirementObligationLineItems
Namespace Prefix: | ppl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
Name: | us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=ppl_LouisvilleGasAndElectricCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ppl_KentuckyUtilitiesCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |